Amusement devices: toys – Operated by relatively moving fluid or pressure differential – Including mouthpiece for blowing or sucking
Patent
1988-06-02
1990-08-21
Hafer, Robert A.
Amusement devices: toys
Operated by relatively moving fluid or pressure differential
Including mouthpiece for blowing or sucking
446202, 446209, 446397, A63H 3340
Patent
active
049501984
ABSTRACT:
A game call includes a substantially cylindrical body, vibratable diaphragm, split ring for fastening the diaphragm to the body, and tubular bell attachable to the body for amplifying and enhancing the sound produced by the diaphragm. The body includes an inlet end surface having a substantially conical recessed portion, an outlet end surface having two planar surface portions angled with respect to one another, and an air passage extending between the inlet and outlet end surfaces. The air passage has a flared outlet opening at the outlet end surface. The diaphragm is fastened in slightly stretched fashion to the outlet end surface such that it at least substantially covers the flared outlet opening. The diaphragm has a seam in proximate relationship to a periphery portion of the flared outlet portion, along which air from the air passage is permitted to escape.
REFERENCES:
patent: 805727 (1905-11-01), Howe
patent: 2542720 (1951-02-01), Soklaski
patent: 2544370 (1951-03-01), Walther
patent: 2651141 (1953-09-01), Bicocchi
patent: 2969611 (1961-01-01), Warren, Jr.
patent: 3803755 (1974-04-01), Thompson
patent: 3811221 (1974-05-01), Wilt
patent: 3955313 (1976-05-01), Faulk
patent: 3991513 (1976-11-01), Faulk
patent: 4764145 (1988-08-01), Kirby
Exhibit A--Advertisements clipped from "Wing Supply" including "Lohman Diaphragms,""Knight & Hale Canada Tube Goose Call,""Quaker Boy Easy Yelper."
Exhibit B--Advertisements clipped from "Wing Supply" including "Wayne Carlton's Elk Tube Call,""Perfection Tube Call,""Ben Lee's Diaphragm Calls,""Lohman Super Tube Turkey Call,"
"KH101 Regular" and "KH102 Raspy," "Woods Wise Diaphragms," "Knight & Hale Cow-Calf Call."
Exhibit C--"Wing Supply" 1989 Spring Edition, 7pp.
Hafer Robert A.
Rimell Sam
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